{"api_version":"1","generated_at":"2026-10-27T05:47:25+00:00","cve":"CVE-2026-90403","urls":{"html":"https://cve.report/CVE-2026-90403","api":"https://cve.report/api/cve/CVE-2026-90403.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90403","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90403"},"summary":{"title":"wifi: rtlwifi: pci: fix error path in rtl_pci_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: pci: fix error path in rtl_pci_probe()\n\nIn the last error path in rtl_pci_probe(), the cleanup functions are\nskipped due to a wrong goto label. Moreover, the successful call to\nrtl_init_rfkill(), ieee80211_register_hw(), rtl_debug_add_one() have to\nbe reverted. Fix this issue by updating the labels and adding the\nrelevant cleanup functions to the last error path.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:40","updated_at":"2026-10-19 09:19:34"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/a89818977338ba71194b1ab1d071f0c0848b1e13","name":"https://git.kernel.org/stable/c/a89818977338ba71194b1ab1d071f0c0848b1e13","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2634998247d24be34ba16a7666f31815ef1da00b","name":"https://git.kernel.org/stable/c/2634998247d24be34ba16a7666f31815ef1da00b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86e6187f8525c8f8219eb49e022eba854cc6ab86","name":"https://git.kernel.org/stable/c/86e6187f8525c8f8219eb49e022eba854cc6ab86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/aef178ffae5420afdbf46f7133ed28bd4248e15c","name":"https://git.kernel.org/stable/c/aef178ffae5420afdbf46f7133ed28bd4248e15c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1b68b6e529ce75112fab98e89583a76370ca394b","name":"https://git.kernel.org/stable/c/1b68b6e529ce75112fab98e89583a76370ca394b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3c2999d13eeb222ae56631aeb7ca248090f2b210","name":"https://git.kernel.org/stable/c/3c2999d13eeb222ae56631aeb7ca248090f2b210","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cfd6824dd1d151ab3abc00117b3774c8056006e0","name":"https://git.kernel.org/stable/c/cfd6824dd1d151ab3abc00117b3774c8056006e0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b42fcfb097da46f0e86564736ced939e83cb8442","name":"https://git.kernel.org/stable/c/b42fcfb097da46f0e86564736ced939e83cb8442","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90403","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90403","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d 2634998247d24be34ba16a7666f31815ef1da00b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d cfd6824dd1d151ab3abc00117b3774c8056006e0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d 86e6187f8525c8f8219eb49e022eba854cc6ab86 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d aef178ffae5420afdbf46f7133ed28bd4248e15c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"90403","cve":"CVE-2026-90403","epss":"0.001450000","percentile":"0.041470000","score_date":"2026-09-21","updated_at":"2026-09-22 00:03:19"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtlwifi/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2634998247d24be34ba16a7666f31815ef1da00b","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"cfd6824dd1d151ab3abc00117b3774c8056006e0","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"86e6187f8525c8f8219eb49e022eba854cc6ab86","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"aef178ffae5420afdbf46f7133ed28bd4248e15c","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"b42fcfb097da46f0e86564736ced939e83cb8442","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"a89818977338ba71194b1ab1d071f0c0848b1e13","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"1b68b6e529ce75112fab98e89583a76370ca394b","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"3c2999d13eeb222ae56631aeb7ca248090f2b210","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtlwifi/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.38"},{"lessThan":"2.6.38","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"2.6.38","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: pci: fix error path in rtl_pci_probe()\n\nIn the last error path in rtl_pci_probe(), the cleanup functions are\nskipped due to a wrong goto label. Moreover, the successful call to\nrtl_init_rfkill(), ieee80211_register_hw(), rtl_debug_add_one() have to\nbe reverted. Fix this issue by updating the labels and adding the\nrelevant cleanup functions to the last error path."}],"metrics":[{"cvssV3_1":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:L - The UAF is only on rtl_pci_probe()'s last error path, when rtl_pci_intr_mode_decide() fails and the old code jumped to fail3. That path is reached from local_pci_probe() as the .probe of rtl8192ce/rtl8188ee/rtl8192ee/rtl8723be and related pci_driver tables (e.g. Realtek 0x8191/0x8178). 802.11 frames never enter rtl_pci_probe.\nAC:H - The only trigger is pci_enable_msi() or request_irq(pdev->irq, _rtl_pci_interrupt, IRQF_SHARED) failing after ieee80211_register_hw() has already succeeded. pdev->irq is assigned by the host PCI/ACPI code, and the subsequent irqaction kzalloc is tiny compared with earlier ring and wiphy allocations, so an attacker cannot reliably force that failure.\nPR:L - Once fail3 has run ieee80211_free_hw() on the still-registered hw, the leftover default wlan vif from ieee80211_if_add(), cfg80211 wiphy, inetaddr notifiers, and rfkill poll are reachable via nl80211 or any netns address change without init-namespace root or PCI sysfs bind.\nUI:N - No victim must mount media or associate to a network; after the failed probe unwind, the attacker’s own nl80211 use of the leftover wlan vif, an inetaddr change, or cfg80211_rfkill_poll touches the still-registered ieee80211_local.\nS:U - ieee80211_free_hw() frees the still-registered ieee80211_local/wiphy while mac80211 still holds it; impact is host-kernel heap corruption, not a VM, IOMMU, or sandbox escape.\nC:H - fail3 calls ieee80211_free_hw() without ieee80211_unregister_hw(), so cfg80211_rfkill_poll → ieee80211_rfkill_poll and nl80211 still dereference the kfree'd ieee80211_local, wiphy bands, and default STA vif, a UAF read primitive.\nI:H - The leftover objects are written by ieee80211_ifa_changed (inetaddr notifier), mac80211 workqueues never torn down by ieee80211_unregister_hw(), and rtl_op_rfkill_poll via wiphy_rfkill_start_polling, enabling UAF writes and control-flow hijack.\nA:H - ieee80211_free_hw() without ieee80211_unregister_hw() leaves mac80211 workqueues, inetaddr notifiers, the default wlan vif, and rfkill polling running against freed ieee80211_local, which oopses or panics on the next access."}]}],"providerMetadata":{"dateUpdated":"2026-10-19T09:03:07.825Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2634998247d24be34ba16a7666f31815ef1da00b"},{"url":"https://git.kernel.org/stable/c/cfd6824dd1d151ab3abc00117b3774c8056006e0"},{"url":"https://git.kernel.org/stable/c/86e6187f8525c8f8219eb49e022eba854cc6ab86"},{"url":"https://git.kernel.org/stable/c/aef178ffae5420afdbf46f7133ed28bd4248e15c"},{"url":"https://git.kernel.org/stable/c/b42fcfb097da46f0e86564736ced939e83cb8442"},{"url":"https://git.kernel.org/stable/c/a89818977338ba71194b1ab1d071f0c0848b1e13"},{"url":"https://git.kernel.org/stable/c/1b68b6e529ce75112fab98e89583a76370ca394b"},{"url":"https://git.kernel.org/stable/c/3c2999d13eeb222ae56631aeb7ca248090f2b210"}],"title":"wifi: rtlwifi: pci: fix error path in rtl_pci_probe()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90403","datePublished":"2026-09-17T16:09:32.824Z","dateReserved":"2026-09-11T19:38:34.811Z","dateUpdated":"2026-10-19T09:03:07.825Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:40","lastModifiedDate":"2026-10-19 09:19:34","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90403","Ordinal":"1","Title":"wifi: rtlwifi: pci: fix error path in rtl_pci_probe()","CVE":"CVE-2026-90403","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90403","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: pci: fix error path in rtl_pci_probe()\n\nIn the last error path in rtl_pci_probe(), the cleanup functions are\nskipped due to a wrong goto label. Moreover, the successful call to\nrtl_init_rfkill(), ieee80211_register_hw(), rtl_debug_add_one() have to\nbe reverted. Fix this issue by updating the labels and adding the\nrelevant cleanup functions to the last error path.","Type":"Description","Title":"wifi: rtlwifi: pci: fix error path in rtl_pci_probe()"}]}}}